No revenue estimate for GOG — its rating/review counts don't calibrate to sales the way Steam's do. The Steam version is estimated at $1M — a different platform, not this one.

Chef: A Restaurant Tycoon Game

Chef allows you to personally don a kitchen apron and embark on an exciting career in the wild world of professional cooking. Starting with nothing but pocket change, a small restaurant, and an ambitious dream, you’ll ascend from the life of a humble cook to that of a world-famous chef.  Nothing will prevent you from deciding how to climb to the top of the food chain. Prepare yourself for a sandbox experience in which all your choices matter as you build your gastronomic empire, or follow a story mode with delirious challenges to face. What will it be? A steakhouse? A vegan paradise? A pasta palace? An experimental cooking lab? Only you can figure out which path is best for your establishment.  FEATURES LIST Create your own avatar and level them up across 6 different skill trees with more than 100 abilities to choose from.  Full restaurant management: choose the restaurant’s location and layout, hire the staff, design the menu, and determine the restaurant’s policies.  Customize every aspect of your restaurants: Choose from over 150 different variations for floors and walls, and over 200 appliances and decorations that can be individually placed and colored.  Experiment with a realistic recipe editor: Use the skills and ingredients at your disposal to create one-of-a-kind dishes that are accurately rated by taste and aroma.  Choose your own cooking style: Specialize in meat or seafood, go vegetarian or vegan, or offer a vast selection of spicy or exotic dishes. The choice is yours and the world will react to it accordingly.